Concept:Stress pattern shows which syllable is said with more force in a word.Explanation:A. couture is pronounced /kuːˈtjʊə/ — the stress is on the second syllable.B. cowshed is pronounced /ˈkaʊ.ʃed/ — the stress is on the first syllable.C. forest is pronounced /ˈfɒr.ɪst/ — the stress is on the first syllable.D. gadget is pronounced /ˈɡædʒ.ɪt/ — the stress is on the first syllable.Since only couture has its stress on the second syllable, it has a different stress pattern from the rest.Answer:A. couture